Seems that this morning, if you try to use Google Maps to plot out a trip via public transit in Boston, you'll get back an itinerary that involves buses and the Green Line - the Orange, Red and Blue lines are now dead to the mapping service. Read more.

The T is vowing quick relief for Orange Line riders driven mad by high-volume wheel squealing in the downtown tunnel over the past couple of days.

"Track Teams are working to address this asap," the T tweeted this morning. "Our apologies for the loud noise."

How loud is it? Read more.

The Boston Fire Department has asked for power to be shut in both directions at Massachusetts Avenue due to a track fire.

UPDATE: Trash fire on the tracks extinguished at 12:35 p.m.

Transit Police evacuated an outbound train at Haymarket shortly before 6 p.m.: Read more.

State House News Service reports 55 congressmen want the Treasury department to investigate the way a Chinese company won the bid to build new Red Line and Orange Line trains, in part because of allegations it was able to submit a low-ball bid due to Chinese government subsidies, in part because they worry about the Chinese gaining access to critical national infrastructure, such as rail lines. Rep. Mike Capuano (D-Somerville) did not sign on, saying he wants to learn more first.

It's not just that the new subway cars CSR Sifang delivered to Singapore have cracks in them, but that it could take up to seven years to fix the damage.

However, the cars in question were built by CSR in China, while our new Red Line and Orange Line trains, to be delivered by 2022, will be built in Springfield.

H/t Bob.

The T posted a couple photos today of the Springfield site where a Chinese company is building a factory that will build new Orange Line and Red Line cars, which are expected to roll out between late 2018 and 2022.

The Orange Line was shut at Wellington this morning as T police with long rifles investigated a report of "suspicious activity" that turned out to be a Muslim couple praying, the Herald reports.

And then, this afternoon on the Red Line: Read more.

UPDATE, 10:10 a.m. The problem was briefly so severe the T was busing passengers between Forest Hills and Stony Brook, but they say it's all good now.

A T alert of "moderate" delays on the inbound Orange Line due to signal problems at Forest Hills was, of course, followed shortly after by a T alert of "moderate" delays on the outbound Orange Line.

Firefighters are at Haymarket. Expect delays.